As one of the producers, Mark Wahlberg offered the role of Billy Taggart to Michael Fassbender, but when he declined, Wahlberg ended up playing the part himself.
The screenplay for this film was featured in the 2008 Blacklist; a list of the "most liked" unmade scripts of the year.
When Billy is getting into Katy's car, he asks her, "Where did you get these seat covers, the Gaza Strip?". Katy is played by Alona Tal, who was born in Israel, and served in the Israeli Defense Forces.
At one point, during a campaign meeting, Jack Valliant (Barry Pepper) tells his team they need that "Senator, you are no Jack Kennedy" moment. Two years prior to this movie, Pepper starred as Robert Kennedy, JFK's brother, in The Kennedys (2011).
This movie stars two Oscar winners: Russell Crowe for Gladiator (2000) and Catherine Zeta-Jones for Chicago (2002). In terms of Oscar nominations, Mark Wahlberg has been nominated twice, one for supporting actor in The Departed (2006) and one for producing The Fighter (2010). Russell Crowe received additional acting nominations for The Insider (1999) and A Beautiful Mind (2001).